NEPA--Environmental Assessment
NEPA--Environmental Assessment
NEPA--Environmental Assessment
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APPENDIX C - WILDLIFE SPECIES LISTS<br />
Species<br />
Federal<br />
Status<br />
Table C-1. Federally Listed Species<br />
for the San Juan Public Lands.<br />
Habitat Present In the<br />
Landscape?<br />
Canada lynx Threatened Yes - mature spruce fir,<br />
cool-moist mixedconifer,<br />
and willow -<br />
riparian areas; 3<br />
designated linkage<br />
areas intersect the<br />
Landscape<br />
Mexican<br />
spotted owl<br />
Southwestern<br />
willow<br />
flycatcher<br />
Threatened No – no narrow rockwalled<br />
canyons with<br />
mixed-conifer<br />
Endangered Yes – 2 patches of<br />
apparently suitable<br />
habitat occur in the<br />
Landscape<br />
Bonytail Endangered No - does not occur in<br />
or downstream of<br />
Animas River Basin<br />
Colorado<br />
pikeminnow<br />
Endangered No – does not occur in<br />
Animas River Basin<br />
Humpback chub Endangered No - does not occur in<br />
or downstream of<br />
Animas River Basin<br />
Razorback<br />
sucker<br />
Uncompahgre<br />
fritillary<br />
butterfly<br />
Endangered No – does not occur in<br />
Animas River Basin<br />
Endangered Yes – 1 patch of habitat<br />
thought suitable, but<br />
protocol surveys not<br />
conducted<br />
Species<br />
Habitat Present In the<br />
Silverton Landscape?<br />
Birds (23)<br />
American bittern (FS) No – no marsh, swamp, or bog<br />
with cattails, rushes, grasses, &<br />
sedges, not known to occur in<br />
San Juan County<br />
American peregrine<br />
falcon (BLM and FS)<br />
Probability of<br />
Occurrence in<br />
the Landscape<br />
High - animals<br />
documented to<br />
occur in the<br />
Landscape.<br />
Carried<br />
Forward for<br />
Further<br />
Analysis?<br />
Yes, see<br />
discussion<br />
Low No, dismissed<br />
from further<br />
Low – birds not<br />
documented to<br />
occur during<br />
breeding season<br />
in or near the<br />
Landscape, but<br />
suitable habitat is<br />
present<br />
Low – no water<br />
depletions from<br />
the San Juan<br />
River basin<br />
Low – no water<br />
depletions from<br />
the San Juan<br />
River basin<br />
Low – no water<br />
depletions from<br />
the San Juan<br />
River basin<br />
Low – no water<br />
depletions from<br />
the San Juan<br />
River basin<br />
High - 1 patch of<br />
habitat thought<br />
suitable, but<br />
protocol surveys<br />
not conducted<br />
evaluation.<br />
Yes, see<br />
discussion.<br />
No, dismissed<br />
from further<br />
evaluation.<br />
No, dismissed<br />
from further<br />
evaluation.<br />
No, dismissed<br />
from further<br />
evaluation.<br />
No, dismissed<br />
from further<br />
evaluation.<br />
Yes, see<br />
discussion<br />
Table C-2. FS Region 2 and Colorado BLM Sensitive Species.<br />
Yes – suitable foraging habitat,<br />
but not known to nest in San<br />
Juan County.<br />
Species or Habitat<br />
Impacted by Action<br />
Alternatives?<br />
Project Effects<br />
Determination<br />
May Effect, Not<br />
Likely to Adversely<br />
Affect<br />
No Effect<br />
May Effect, Not<br />
Likely to Adversely<br />
Affect<br />
No Effect<br />
No Effect<br />
No Effect<br />
No Effect<br />
May Effect, Not<br />
Likely to Adversely<br />
Affect<br />
Project Impact<br />
Determination<br />
No Selecting Alternative 2 or 3<br />
will have “no impact” on<br />
American bittern. No further<br />
discussion is required.<br />
No –foraging habitat not<br />
significantly affected by<br />
sheep grazing<br />
Selecting Alternative 2 or 3<br />
will have “no impact” on<br />
American peregrine falcon.<br />
No further analysis is<br />
required.<br />
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